BACKGROUND Cough variant asthma(CVA)is one of the most common respiratory diseases in children,which has a serious impact on the quality of life and daily activities of children.For severe CVA,immunomodulatory drugs a...BACKGROUND Cough variant asthma(CVA)is one of the most common respiratory diseases in children,which has a serious impact on the quality of life and daily activities of children.For severe CVA,immunomodulatory drugs are needed.AIM To evaluate the efficacy of salmeterol combined with budesonide in the treatment of pediatric CVA.METHODS 130 children with CVA from January 2020 to December 2022 were prospectively selected and randomly divided into an observation group(salmeterol combined with budesonide)and a control group(budesonide combined with a placebo).Compare the clinical efficacy of two groups before and after intervention.The evaluation parameters include cough frequency score,nocturnal cough arousal,and lung function indicators.Serum inflammatory markers,immune function markers and airway anatomical indicators were also measured.RESULTS After the intervention,the total effective rate of the observation group was significantly higher than that of the control group,and the cough frequency score and the night cough wake rate of the observation group were lower than that of the control group,with a statistically significant difference.In addition,the changes of lung function indicators,serum markers and immune function markers in the observation group were better than those in the control group.CONCLUSION The clinical efficacy of salmeterol combined with Budesonide in the treatment of CVA is better than that of Budesonide alone.展开更多
Objective:To investigate the mechanism of regulation of airway neurogenic inflammation by Qiaoqin Qingfei agent in rats with cough variant asthma(CVA).Methods:48 SD rats were randomly divided into blank group,model gr...Objective:To investigate the mechanism of regulation of airway neurogenic inflammation by Qiaoqin Qingfei agent in rats with cough variant asthma(CVA).Methods:48 SD rats were randomly divided into blank group,model group,montelukast sodium group(1.05 mg/kg)and high,medium and low dose groups(26,13,6.5 g/kg),with 8 rats in each group.The rat CVA model was established by the method of ovalbumin(OVA)combined with aluminum hydroxide(Al(OH)3)sensitization and repeated stimulation.From the second day of sensitization,the rat CVA model was given by gavage for 28 days.The pathological changes of lung tissue were observed under microscope by HE staining.The content changes of nerve growth factor(NGF)and substance P(SP)in alveolar lavage fluid(BALF)were determined by double-antibody sandwich ABC-ELISA,and the protein expression levels of NGF and SP in lung tissue were detected by immunohistochemistry.Results:Pathological findings showed significant inflammatory manifestations in the model group,and the inflammatory infiltration in the high-dose,medium-dose and low-dose groups of Qiaoqin Qingfei agent and montelukast sodium groups were alleviated to varying degrees.Compared with blank group,the protein expression levels of NGF and SP in lung tissue of model group were significantly increased(P<0.01).Compared with model group,the protein expression levels of NGF and SP in lung tissue and the contents of NGF and SP in alveolar lavage fluid in high-dose,medium-dose and low-dose groups and montelukast sodium group were significantly decreased(P<0.05).Conclusion:Qiaoqin Qingfei agent may reduce airway inflammation and relieve cough variant asthma by regulating the protein expression levels of NGF and SP in airway neurogenic inflammation.展开更多
Objective:To evaluate the therapeutic effect of Glycyrrhetinic Acid on cough variant asthma(CVA)mice and to investigate the possible mechanism in reducing lung inflammation.Methods:48 young female Balb/c mice were div...Objective:To evaluate the therapeutic effect of Glycyrrhetinic Acid on cough variant asthma(CVA)mice and to investigate the possible mechanism in reducing lung inflammation.Methods:48 young female Balb/c mice were divided into Control,CVA,Prednisone Acetate,Glycyrrhetinic Acid high-dose,Glycyrrhetinic Acid middle-dose and Glycyrrhetinic Acid lowdose groups randomly,with 8 mice in each group.The CVA mice model was established by ovalbumin(OVA)sensitization and OVA challenge,the animal asthma behavior was observed after drug administration,and the index of the lung of mice were recorded.The level of OVAsIgE in the bronchoalveolar lavage fluid(BALF)was tested by ELISA.The pathological changes of the lung tissue were observed by Hematoxylin and Eosin(H&E)staining.The protein expressions of T-bet,IFN-γ,Gata3,IL-4 and IL-13 in the lung tissue were determined by Western blot.Results:Compared with the CVA group,the index of lung of mice,the OVA-sIgE level in BALF and expression levels of Th2-related factor in the lung tissue of mice in Prednisone Acetate and Glycyrrhetinic Acid groups were significantly decreased(P<0.05 or P<0.01),the infiltration of inflammatory cells in the lung tissue was reduced,while expressions of Th1-related factor in the lung tissue was significantly increased(P<0.05 or P<0.01).Conclusion:Glycyrrhetinic acid has therapeutic effect on CVA mice,the underlying mechanism of Glycyrrhetinic acid alleviating lung impairment and airway inflammation may be associated with mediating the Th1/Th2 imbalance in the lung tissue.展开更多
Objective:This study mainly explores the clinical effect of dispelling wind,eliminating lung and relieving cough combined with western medicine in the treatment of cough variant asthma.Methods:80 children with cough v...Objective:This study mainly explores the clinical effect of dispelling wind,eliminating lung and relieving cough combined with western medicine in the treatment of cough variant asthma.Methods:80 children with cough variant asthma accepted by our hospital from January 2018 to December 2020 were randomly selected for the study and divided into two groups.One group was the reference group(40 cases)treated with procaterol hydrochloride tablets and montelukast sodium,and the other group was the research group(40 cases)・The method of eliminating wind,eliminating lung and relieving cough was combined with procaterol hydrochloride tablets and montelukast sodium to observe and compare the curative effects of the two groups.Results:There was no significant difference in TCM symptom score and eosinophil(EOS)count between the two groups before treatment(P>0.05);After treatment,the TCM symptom scores of coughs,pharyngeal itching,expectoration,nasal congestion and nasal itching in the research group were lower than those in the reference group,and the EOS count was lower than that in the reference group(P<0.05);The effective rate of research group was higher than that of reference group(P<0.05).Conclusions:For children with cough variant asthma,Qufeng Sufei cough relieving method combined with procaterol hydrochloride and montelukast sodium can improve children's symptoms and reduce eosinophil count.展开更多
Objective:To observe the effect of vitaminD3 on airway inflammation and osteopontin(OPN)expression on cough variant asthma(CVA)models.Methods:SD rats were randomly divided into blank group,model group and treatment gr...Objective:To observe the effect of vitaminD3 on airway inflammation and osteopontin(OPN)expression on cough variant asthma(CVA)models.Methods:SD rats were randomly divided into blank group,model group and treatment group,each group with 10 rats.The CVA model was induced by intraperitoneal injection combined with aerosolized ovalbumin(OVA),the treatment group was given 100 mg/ml of vitaminD330 minutes before challenge by administered orally.Airway hyperreaction were measured by airway resistance after inhalation of acetylcholine(Ach).Wright-Gimsa staining was used to observe the inflammatory cells in bronchoalveolar lavage fluid(BALF).HE and PAS were used to observe the morphological changes of lung tissue.OPN expression was detected by immunohistochemistry.Results:1)Airway hyperreaction:airway resistance after inhalation Ach in model group and treatment group were significantly higher than that in blank group(P<0.01),airway resistance in treatment group were lower than that in model group(P<0.01);2)Classification of inflammatory cells:The percentage of macrophages,lymphocytes,neutrophils,and eosinophils in the BALF of the model group and the treatment group were increased compared with the blank group(P<0.01),furthermore,the number of treatment group were lower than the model group(P<0.05);3)Morphological changes of lung tissue:a large amount of inflammatory cells and goblet cell proliferation were observed in the lung tissue of the model group,and these changes were slight in treatment group compared with model group;OPN expression in lung tissue:The expression of OPN in model and treatment group were increased compared with blank group(P<0.05),and the treatment group was lower than that of model group(P<0.05).The OPN content was positively correlated with the percentage of inflammatory cells in BALF(P<0.05).Conclusions:Vitamin D3 can reduce airway hyperreaction and airway inflammation in CVA rats.The mechanism may be related to the intervention of OPN expression in lung tissue.展开更多
Objective:A comprehensive and updated systematic review is needed to evaluate the effectiveness and safety of HuangQiXiXin decoction(HQXXD)for cough variant asthma(CVA).The aim of this systematic review protocol is to...Objective:A comprehensive and updated systematic review is needed to evaluate the effectiveness and safety of HuangQiXiXin decoction(HQXXD)for cough variant asthma(CVA).The aim of this systematic review protocol is to comprehensively assess the effectiveness and safety of HQXXD for CVA.Methods:An overall search for studies in main English and Chinese electronic databases from their inception to January 2021 will be performed.Randomized controlled trials regarding HQXXD for CVA will be included.We will use RevMan 5.3 software to perform statistical analysis and meta-analysis.Results:The findings of this systematic review will be disseminated through peer-reviewed publications.Conclusion:The systematic review will provide more evidence regarding the effectiveness and safety of HQXXD for CVA.展开更多
OBJECTIVE:To systematically investigate the clinical effectiveness and safety of traditional Chinese herbs(TCHs)as an alternative to conventional medicine(CM)in children with cough variant asthma(CVA).METHODS:Randomiz...OBJECTIVE:To systematically investigate the clinical effectiveness and safety of traditional Chinese herbs(TCHs)as an alternative to conventional medicine(CM)in children with cough variant asthma(CVA).METHODS:Randomized controlled trial(RCT)studies that were published from their inceptions to March 31,2020,were identified from the electronic databases of China National Knowledge Infrastructure,Wangfang,Pub Med,and Cochrane Central Library.The primary outcome of the review was the total effective rate(TER),and the secondary outcomes were immunoglobulin E(Ig E),peak expiratory flow(PEF),adverse drug reactions,and relapse rates of interventions.RESULTS:For the Meta-analysis,13 studies involving 992 children with CVA were included.In terms of TER and Ig E,the experimental interventions of TCH,when compared with the control interventions of CM,on pediatric CVA were found to be significantly effective(P<0.0001),whereas for spirometry,PEF was not significantly improved in the TCH group(P=0.48).The incident rates of adverse drug reaction and relapse were found to be significantly lower in the TCH group than those in the CM group(P=0.02 and P<0.0001,respectively).CONCLUSION:Compared with CM therapy,the effects of TCH therapy on pediatric CVA were significantly beneficial in terms of TER and Ig E,but not for PEF,and the methodological quality of included studies was poor.Therefore,the results should be interpreted with caution.More randomized controlled trials with rigorous experimental methodologies are required for objectivity in the future.展开更多
Cough variant is a common disease of the respiratory system and can lead to a unique type of asthma.The disease has no obvious symptoms such as wheezing nor shortness of breath.Coughing is the main clinical symptom,as...Cough variant is a common disease of the respiratory system and can lead to a unique type of asthma.The disease has no obvious symptoms such as wheezing nor shortness of breath.Coughing is the main clinical symptom,as it causes airway hyper-responsiveness.Traditional Chinese medicine(TCM)has a unique understanding of this disease,and the effect is obvious after treatment,as it's based on symptom differentiation.This article takes the concept of“mild fluid retention”from“The Synopsis of the Golden Chamber”as an entry point,briefly describes the relationship between cough variant and mild fluid retention,as well as the diagnosis and treatment of Chinese medicine.展开更多
文摘BACKGROUND Cough variant asthma(CVA)is one of the most common respiratory diseases in children,which has a serious impact on the quality of life and daily activities of children.For severe CVA,immunomodulatory drugs are needed.AIM To evaluate the efficacy of salmeterol combined with budesonide in the treatment of pediatric CVA.METHODS 130 children with CVA from January 2020 to December 2022 were prospectively selected and randomly divided into an observation group(salmeterol combined with budesonide)and a control group(budesonide combined with a placebo).Compare the clinical efficacy of two groups before and after intervention.The evaluation parameters include cough frequency score,nocturnal cough arousal,and lung function indicators.Serum inflammatory markers,immune function markers and airway anatomical indicators were also measured.RESULTS After the intervention,the total effective rate of the observation group was significantly higher than that of the control group,and the cough frequency score and the night cough wake rate of the observation group were lower than that of the control group,with a statistically significant difference.In addition,the changes of lung function indicators,serum markers and immune function markers in the observation group were better than those in the control group.CONCLUSION The clinical efficacy of salmeterol combined with Budesonide in the treatment of CVA is better than that of Budesonide alone.
基金Research Project of Guangdong Provincial Bureau of Traditional Chinese Medicine(No.20222183,20221320)Guangzhou Traditional Chinese Medicine and Integrated Traditional Chinese and Western Medicine Technology Project(No.20222A010020)。
文摘Objective:To investigate the mechanism of regulation of airway neurogenic inflammation by Qiaoqin Qingfei agent in rats with cough variant asthma(CVA).Methods:48 SD rats were randomly divided into blank group,model group,montelukast sodium group(1.05 mg/kg)and high,medium and low dose groups(26,13,6.5 g/kg),with 8 rats in each group.The rat CVA model was established by the method of ovalbumin(OVA)combined with aluminum hydroxide(Al(OH)3)sensitization and repeated stimulation.From the second day of sensitization,the rat CVA model was given by gavage for 28 days.The pathological changes of lung tissue were observed under microscope by HE staining.The content changes of nerve growth factor(NGF)and substance P(SP)in alveolar lavage fluid(BALF)were determined by double-antibody sandwich ABC-ELISA,and the protein expression levels of NGF and SP in lung tissue were detected by immunohistochemistry.Results:Pathological findings showed significant inflammatory manifestations in the model group,and the inflammatory infiltration in the high-dose,medium-dose and low-dose groups of Qiaoqin Qingfei agent and montelukast sodium groups were alleviated to varying degrees.Compared with blank group,the protein expression levels of NGF and SP in lung tissue of model group were significantly increased(P<0.01).Compared with model group,the protein expression levels of NGF and SP in lung tissue and the contents of NGF and SP in alveolar lavage fluid in high-dose,medium-dose and low-dose groups and montelukast sodium group were significantly decreased(P<0.05).Conclusion:Qiaoqin Qingfei agent may reduce airway inflammation and relieve cough variant asthma by regulating the protein expression levels of NGF and SP in airway neurogenic inflammation.
基金National Natural Science Foundation of China (No.81960887)Innovation Project of Guangxi Graduate Education (No.YCXJ2021119)。
文摘Objective:To evaluate the therapeutic effect of Glycyrrhetinic Acid on cough variant asthma(CVA)mice and to investigate the possible mechanism in reducing lung inflammation.Methods:48 young female Balb/c mice were divided into Control,CVA,Prednisone Acetate,Glycyrrhetinic Acid high-dose,Glycyrrhetinic Acid middle-dose and Glycyrrhetinic Acid lowdose groups randomly,with 8 mice in each group.The CVA mice model was established by ovalbumin(OVA)sensitization and OVA challenge,the animal asthma behavior was observed after drug administration,and the index of the lung of mice were recorded.The level of OVAsIgE in the bronchoalveolar lavage fluid(BALF)was tested by ELISA.The pathological changes of the lung tissue were observed by Hematoxylin and Eosin(H&E)staining.The protein expressions of T-bet,IFN-γ,Gata3,IL-4 and IL-13 in the lung tissue were determined by Western blot.Results:Compared with the CVA group,the index of lung of mice,the OVA-sIgE level in BALF and expression levels of Th2-related factor in the lung tissue of mice in Prednisone Acetate and Glycyrrhetinic Acid groups were significantly decreased(P<0.05 or P<0.01),the infiltration of inflammatory cells in the lung tissue was reduced,while expressions of Th1-related factor in the lung tissue was significantly increased(P<0.05 or P<0.01).Conclusion:Glycyrrhetinic acid has therapeutic effect on CVA mice,the underlying mechanism of Glycyrrhetinic acid alleviating lung impairment and airway inflammation may be associated with mediating the Th1/Th2 imbalance in the lung tissue.
文摘Objective:This study mainly explores the clinical effect of dispelling wind,eliminating lung and relieving cough combined with western medicine in the treatment of cough variant asthma.Methods:80 children with cough variant asthma accepted by our hospital from January 2018 to December 2020 were randomly selected for the study and divided into two groups.One group was the reference group(40 cases)treated with procaterol hydrochloride tablets and montelukast sodium,and the other group was the research group(40 cases)・The method of eliminating wind,eliminating lung and relieving cough was combined with procaterol hydrochloride tablets and montelukast sodium to observe and compare the curative effects of the two groups.Results:There was no significant difference in TCM symptom score and eosinophil(EOS)count between the two groups before treatment(P>0.05);After treatment,the TCM symptom scores of coughs,pharyngeal itching,expectoration,nasal congestion and nasal itching in the research group were lower than those in the reference group,and the EOS count was lower than that in the reference group(P<0.05);The effective rate of research group was higher than that of reference group(P<0.05).Conclusions:For children with cough variant asthma,Qufeng Sufei cough relieving method combined with procaterol hydrochloride and montelukast sodium can improve children's symptoms and reduce eosinophil count.
基金Sichuan provincial cadre health-care project(2017-1601)Nanchong municipal strategic cooperation projects in science and technology(18SXHZ0301,18SXHZ0300)
文摘Objective:To observe the effect of vitaminD3 on airway inflammation and osteopontin(OPN)expression on cough variant asthma(CVA)models.Methods:SD rats were randomly divided into blank group,model group and treatment group,each group with 10 rats.The CVA model was induced by intraperitoneal injection combined with aerosolized ovalbumin(OVA),the treatment group was given 100 mg/ml of vitaminD330 minutes before challenge by administered orally.Airway hyperreaction were measured by airway resistance after inhalation of acetylcholine(Ach).Wright-Gimsa staining was used to observe the inflammatory cells in bronchoalveolar lavage fluid(BALF).HE and PAS were used to observe the morphological changes of lung tissue.OPN expression was detected by immunohistochemistry.Results:1)Airway hyperreaction:airway resistance after inhalation Ach in model group and treatment group were significantly higher than that in blank group(P<0.01),airway resistance in treatment group were lower than that in model group(P<0.01);2)Classification of inflammatory cells:The percentage of macrophages,lymphocytes,neutrophils,and eosinophils in the BALF of the model group and the treatment group were increased compared with the blank group(P<0.01),furthermore,the number of treatment group were lower than the model group(P<0.05);3)Morphological changes of lung tissue:a large amount of inflammatory cells and goblet cell proliferation were observed in the lung tissue of the model group,and these changes were slight in treatment group compared with model group;OPN expression in lung tissue:The expression of OPN in model and treatment group were increased compared with blank group(P<0.05),and the treatment group was lower than that of model group(P<0.05).The OPN content was positively correlated with the percentage of inflammatory cells in BALF(P<0.05).Conclusions:Vitamin D3 can reduce airway hyperreaction and airway inflammation in CVA rats.The mechanism may be related to the intervention of OPN expression in lung tissue.
基金supported by the Scientific Research Project from the Health Commission of Wuxi(No.Q202055)Project of Clinical Research and Preparation in Jiangyin Hospital of Traditional Chinese Medicine(No.Z202109).
文摘Objective:A comprehensive and updated systematic review is needed to evaluate the effectiveness and safety of HuangQiXiXin decoction(HQXXD)for cough variant asthma(CVA).The aim of this systematic review protocol is to comprehensively assess the effectiveness and safety of HQXXD for CVA.Methods:An overall search for studies in main English and Chinese electronic databases from their inception to January 2021 will be performed.Randomized controlled trials regarding HQXXD for CVA will be included.We will use RevMan 5.3 software to perform statistical analysis and meta-analysis.Results:The findings of this systematic review will be disseminated through peer-reviewed publications.Conclusion:The systematic review will provide more evidence regarding the effectiveness and safety of HQXXD for CVA.
文摘OBJECTIVE:To systematically investigate the clinical effectiveness and safety of traditional Chinese herbs(TCHs)as an alternative to conventional medicine(CM)in children with cough variant asthma(CVA).METHODS:Randomized controlled trial(RCT)studies that were published from their inceptions to March 31,2020,were identified from the electronic databases of China National Knowledge Infrastructure,Wangfang,Pub Med,and Cochrane Central Library.The primary outcome of the review was the total effective rate(TER),and the secondary outcomes were immunoglobulin E(Ig E),peak expiratory flow(PEF),adverse drug reactions,and relapse rates of interventions.RESULTS:For the Meta-analysis,13 studies involving 992 children with CVA were included.In terms of TER and Ig E,the experimental interventions of TCH,when compared with the control interventions of CM,on pediatric CVA were found to be significantly effective(P<0.0001),whereas for spirometry,PEF was not significantly improved in the TCH group(P=0.48).The incident rates of adverse drug reaction and relapse were found to be significantly lower in the TCH group than those in the CM group(P=0.02 and P<0.0001,respectively).CONCLUSION:Compared with CM therapy,the effects of TCH therapy on pediatric CVA were significantly beneficial in terms of TER and Ig E,but not for PEF,and the methodological quality of included studies was poor.Therefore,the results should be interpreted with caution.More randomized controlled trials with rigorous experimental methodologies are required for objectivity in the future.
文摘Cough variant is a common disease of the respiratory system and can lead to a unique type of asthma.The disease has no obvious symptoms such as wheezing nor shortness of breath.Coughing is the main clinical symptom,as it causes airway hyper-responsiveness.Traditional Chinese medicine(TCM)has a unique understanding of this disease,and the effect is obvious after treatment,as it's based on symptom differentiation.This article takes the concept of“mild fluid retention”from“The Synopsis of the Golden Chamber”as an entry point,briefly describes the relationship between cough variant and mild fluid retention,as well as the diagnosis and treatment of Chinese medicine.
